How do the testes respond to exposure to excessive body warmth?
A) They move away from the pelvic cavity.
B) Excessive warmth is actually beneficial in that it speeds up the maturation of sperm.
C) They move close to the pelvic cavity.
D) Excessive warmth has no effect on the testicles because of their location in the scrotum.
A
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Which bone does not contribute to the formation of the eye orbit?
A. The sphenoid bone B. The frontal bone C. The zygomatic bone D. The ethmoid bone E. The temporal bone
Answer the following statements true (T) or false (F)
1. Every minute, about 1.5 ml of fluid leaks out of the capillaries. 2. The pancreas is an example of an organ with arteries that do not anastomose. 3. An obstruction in the superior vena cava would decrease the flow of blood from the head and neck to the heart. 4. Arteries supplying the same territory are often merged with one another, forming arterial anastomoses. 5. An increase in blood viscosity will cause an increase in peripheral resistance.
Keratinocytes
A. are special cells of the immune system. B. produce skin pigments in cell organelles called melanosomes. C. are found in both the dermal and the epidermal layers of the skin. D. are responsible for the reduction of water loss from the skin. E. determine thickness of the skin.
Which describes the skin's form and function?
A. Washable B. Indicator of health C. A barrier D. Self-renewing E. All of the choices are correct.